warman]  SHALE SHONKINITE.  725 
Shaler  (N.  S. )  and  Wood  worth  (J.  B. ),  geology  of  Richmond  Basin,  Virginia.  .Ann  19, 
n,  pp  385-515 
Shaler  (N.  S.),  Woodworth    (J.  B.),  and  Foerste  (A.   F.),  geology  of  Narra- 
gansett  Basin Mon  xxxiii 
Shaler  (N.  S.),  Woodworth  (J.  B.),  and  Marbut  (C.  F.),  glacial  brick  clays  of 
Rhode  Island  and  southeast  Massachusetts.  Ann  17,  i,  pp 951-1004 
Shark  River  formation  of  New  Jersey Bull  138,  p  41 
of  New  Jersey,,  correlation  of Ann  18,  n,  p  344 
Sharon  conglomerate  in  Ohio  as  a  water  bearer Ann  19,  iv,  pp  649,  690 
Shasta  formation  or  group  of  California Mon  xm,  p  179; 
Bull  15,  pp  L8-32;  Bull  82,  pp  L82-189,  241,  250,  255-257 
Shasta,  Mount,  California,  physiography  of - TF  1,  pp  2-3 
topographic  sketch  of Vnn  5,  pp  330-340 
Shawmut  group  of  .Massachusetts Bull  86,  p  368 
Shear  zones  in  Alaska,  Yukon  district \im  18,  in,  pp  294-297 
in  New  York- Vermont  slate  quarries Vnn  19,  in,  pp  212,  213,  219 
Sheavwits  Plateau,  Grand  Canyon  district,  description  of... Ann  2, 
pp  72.   12(1;  Mon  ii,  pp  10,  101 
Sheets,  intrusive,  in  Colorado,  La  Plata  quadrangle GF  60,  pp  7,  8-9 
in  Montana,  Tattle  licit  Mountains Ann  20, 
in,  pp  323-325,  349-360,  379,  385-387;  GF  56,  p  4 
(See,  also,  Dikes.) 
Sheets,  trap,  in  Triassic  area  of  Connecticut Vnn  is.  n,  pp  48-56 
Shell,  silicified,  description  of  the  rock,  as  one  of  the  educational  series Bull  150, 
pp  114-115 
Shell  and  coral  rocks,  analyst's  of,  from  Florida,  various  localities Bull  60, 
p  162;   Bull  US.  pp  259-260;  Bull  168,  pp  255-257 
analysesof,  from  Hawaiian  Islands,  various  localities Bull  148, 
1>276;  Bull  168,  p  277 
Shell  Bluff  group  of  Georgia,  correlation  of Vim  is.  n,  pp  341,  342;  Bull  84,  p  334 
Shenandoah  Basin,  pollution  and  water  powers  in \im  10,  i\.  pp  136-139,  156-161 
Shenandoah  limestone  in  Catoetin  belt Ann  14,  n,  pp  337-342 
in  Maryland,  Tennessee,  Virginia,  and  West  Virginia GF  10,  p  3;  GF  14, 
pp  1,2;  GF26,  p  2;  GF  32,  p2;  GF  59,  p  3;  GF  61,  p  2 
Shenandoah  River,  How  of,  measurements  of Vnn  Is,  iv.  pp  25-28;  Ann  19,  iv,  pp 
150-151,  161-162;  Ann  20,  rv,  pp  49,  123-128;  Ann21,iv,pp 
96-97;  Bull  131,  p  89;  Bull  140,  pp  49-54;  WS  11,  p  10;  WS 
15,  pp  17-19;   WS  27.  pp  19-20,  2:5-24,  25;  WS  35,  pp  86-97 
profile  of WS  44,  pp  21-22 
Shepard  (C.   U.),  description  of  emery   mine  at   Chester,    Hampden  County, 
Massachusetts Mon  \xix,  pp  122-135 
Sheridan  quartzite  of  Wyoming GF  30,  p  4 
Sheridan  sandstone  of  Maine Bull  165,  pa^-^9,  132-133 
Shiloh  marls  of  New  Jersey,  stratigraphy  and  correlation  of Ann  18, 
ii,  p  340;  Bull  84,  pp  40-43,  334 
Shinarump  conglomerate  of  Grand  Canyon  district,  age  of Ann  2,  pp  91-93 
Shipbuilding,  iron  and  steel,  in  1899,  statistics  of Ann  21,  vi,  p  107 
twenty  years  of MR  1891,  pp  68-69 
Shoal  Creek  limestone  of  Texas.     (See  Buda  limestone.) 
Shonkinite,  analysis  of,  from  Montana,  Bearpaw  Mountains Ann  20, 
in,  p  484;  Bull  148,  p  157;  Bull  168,  p  136 
analysis  of,  from  Montana,  High  wood  Mountains Ann  20, 
in,  p  484;  Mon  xxxn,  n,  p  354 
from  Montana,  Little  Belt  Mountains Ann  20,  in,  pp  484,  565,  567, 
581;  Mon  xxxn,  ii,  p  354;  Bull  148,  p  149;  Bull  168,  p  128 
from  Tyrol,  Monzoni Ann  20,  in,  p  484 
